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Kit for multiple detection of respiratory pathogens

A multiplex detection and kit technology, applied in the biological field, can solve the problems of false negatives, low specificity and sensitivity, and low sensitivity

Active Publication Date: 2019-11-05
DAAN GENE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is complex, cumbersome to operate, long cycle, low sensitivity, relatively high requirements for samples, and prone to false negative results
[0006] Serological testing is based on the principle of antigen-antibody reaction. The detection cycle is short, but the specificity and sensitivity are low, and false negative and false positive results are prone to occur, which has certain limitations.

Method used

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  • Kit for multiple detection of respiratory pathogens
  • Kit for multiple detection of respiratory pathogens
  • Kit for multiple detection of respiratory pathogens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0126] 1. Materials and methods

[0127] 1.1 Simulation samples

[0128] Virus fluid: Influenza A virus, Influenza B virus, Respiratory syncytial virus; Plasmids: Adenovirus, Chlamydia pneumoniae, Mycoplasma pneumoniae, Streptococcus pneumoniae, Legionella pneumophila, Haemophilus influenzae, plasmids provided by Shanghai Sangon Bioengineering Co., Ltd., and the virus liquid was prepared by Sun Yat-Sen University Daan Gene Co., Ltd.

[0129] 1.2 Clinical samples

[0130] 50 positive samples for respiratory pathogens and 20 negative samples.

[0131] 1.3 Primers and probes

[0132] Through the sequence comparison analysis of the Genebank database and the nucleic acid sequences related to respiratory pathogens reported in published literature at home and abroad, the highly conserved segment with no secondary structure was selected as the amplified target segment, and multiple pairs of primers and probes were artificially designed. Both primers and probes were synthesized by ...

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PUM

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Abstract

The invention provides a kit for multiple detection of respiratory pathogens. Specifically, according to the kit, a PCR amplification system of multiple respiratory pathogens is designed and verifiedby the experiment, a multiple fluorescent PCR amplification system for detecting the multiple respiratory pathogens is obtained, and three respiratory pathogens can be detected simultaneously by a single system. The kit has high sensitivity and specificity, and according to the kit, the multiple respiratory pathogens in samples of nasopharynx swab, alveolar lavage fluid, sputum and the like can bedetected and analyzed quickly.

Description

technical field [0001] The invention belongs to the field of biotechnology, in particular, the invention relates to a kit for multiple detection of respiratory pathogens. Background technique [0002] Acute respiratory tract infection (ARTI) is one of the most common infectious diseases in humans worldwide, and its incidence rate ranks first among acute infectious diseases. On average, lower respiratory tract infection causes about 4000000 patients to die every year. Globally, respiratory infections are the leading cause of death in children under 5 years of age. ARTI is generally caused by bacteria and viruses, about 90% of which are caused by respiratory viruses, but death and severe cases are mainly caused by bacterial infections. In the face of the current complex situation of prevention and control of respiratory infectious diseases, strengthening the monitoring of epidemic information of infectious epidemic strains can provide a basis for formulating prevention and co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/70C12Q1/689C12Q1/04C12N15/11C12R1/93C12R1/21C12R1/46C12R1/35C12R1/01
CPCC12Q1/701C12Q1/689C12Q2600/16C12Q2600/166
Inventor 蒋析文黄桃生李欣钰郑若楠
Owner DAAN GENE CO LTD
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